Security

What does SECURITY mean?

1. noun

   the state of being free from danger or injury

   “we support the armed services in the name of national security”

2. noun

   defense against financial failure; financial independence

   “his pension gave him security in his old age”

3. noun

   freedom from anxiety or fear

   “the watch dog gave her a feeling of security”

4. noun

   a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends

   “he held several valuable securities”

Definitions from WordNet 3.1, Princeton University.